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Crown Gall Disease of Nursery Crops Reviewed: March 2023 L.W. Moore (deceased), Bacteriologist and Plant Pathologist, OSU Updated by M. L. Putnam, Diagnostician and Plant Pathologist, OSU Crown gall continues to be a major problem for the nursery industry ...

Potential Impact of Cyanobacteria on Crop Plants Reviewed: March 2023 Allen J. Milligan, Assistant Professor of Botany and Plant Pathology, OSU Cyanobacteria (blue-green algae) can produce compounds in surface water that are harmful to both plants and hum ...

Management of the Cyanobacterium Nostoc in Horticultural Nurseries Reviewed: March 2023 Jennifer Parke, Associate Professor (Senior Research), Crop and Soil Science, OSU, and Heather Stoven, Yamhill County Extension Horticulture Specialist, OSU This artic ...

Blackberry Cultivar Susceptibility Reviewed: March 2023 Blackberry (Rubus spp.) — Cultivar Susceptibility* Cultivar Septoria Leaf Spot Cane Leaf Rust Verticillium Wilt Calico Virus Crown & Cane Gall Purple Bloch Blackberry Rust Black Diamond 2 4??? 3? ...

Pear Cultivar Susceptibility Reviewed: March 2023 Pear (Pyrus spp.) — Cultivar Susceptibility Cultivar Fire Blight* Scab Powdery Mildew Fabraea Leaf Spot Rust** D’Anjou S S S R 0 Bartlett (Williams) S S R R 0.5 Bosc S I R R 0.5 Bradford I R? R 0.5 Comice ...

Living in the Land of Mosses Reviewed: March 2023 By Bruce McCune and Kristen Whitbeck* *Bruce McCune is a professor of Botany and Plant Pathology with Oregon State University in Corvallis, Ore. He can be reached at mccuneb@onid.orst.edu Kristen Whitbeck ...

Fasciation Reviewed: March 2023 Jay W. Pscheidt, Extension Plant Pathology Specialist, OSU Melodie Putnam, Director OSU Plant Clinic Fasciation has been defined as a distortion of a plant caused by an injury or infection that results in thin, flattened, a ...

Diagnosis and Testing Reviewed: March 2023 ...

Pathogen Articles Reviewed: March 2023 ...

Pathogens Common to Many Plants Reviewed: March 2023 ...